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# Copyright 2014-2018 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>. */
# This test checks that inserting a dprintf and detaching does not crash
# the program.
#
# Related bug: https://sourceware.org/bugzilla/show_bug.cgi?id=17012
load_lib gdbserver-support.exp
# The test relies on "detach/attach".
if { [target_info exists use_gdb_stub] } then {
return 0
}
standard_testfile
set escapedbinfile [string_to_regexp ${binfile}]
if [prepare_for_testing "failed to prepare for dprintf-detach" \
${testfile} ${srcfile} {debug}] {
return -1
}
proc dprintf_detach_test { breakpoint_always_inserted dprintf_style disconnected_dprintf } {
set test_prefix "bai=${breakpoint_always_inserted} ds=${dprintf_style} dd=${disconnected_dprintf}"
global binfile decimal gdb_prompt escapedbinfile
with_test_prefix "$test_prefix" {
# Start with a clean gdb
clean_restart ${binfile}
gdb_test_no_output "set breakpoint always-inserted ${breakpoint_always_inserted}"
gdb_test_no_output "set dprintf-style ${dprintf_style}"
gdb_test_no_output "set disconnected-dprintf ${disconnected_dprintf}"
if ![runto_main] {
fail "can't run to main"
return -1
}
# Get PID of test program.
set inferior_pid -1
set test "get inferior process ID"
gdb_test_multiple "call (int) getpid ()" $test {
-re ".* = ($decimal).*$gdb_prompt $" {
set inferior_pid $expect_out(1,string)
pass $test
}
}
if {$inferior_pid == -1} {
return
}
# Add a dprintf and detach.
gdb_test "dprintf function, \"hello\"" "Dprintf .*" "dprintf insertion"
gdb_test "detach" "Detaching from program: .*$escapedbinfile, .*" "detach program"
gdb_exit
# Check that the process still exists by attaching a new gdb to it.
clean_restart ${binfile}
set test "re-attach to inferior"
set is_gdbserver [target_is_gdbserver]
if { $is_gdbserver == 1 } {
setup_kfail "*-*-*" "server/17302"
} else {
# Give some time for the ex-inferior to run and hopefully not crash.
sleep 1
}
gdb_test "attach $inferior_pid" "Attaching to program: $escapedbinfile, process $inferior_pid.*Reading symbols from.*" "$test"
}
}
foreach breakpoint_always_inserted { "on" "off" } {
foreach dprintf_style { "gdb" "call" "agent" } {
foreach disconnected_dprintf { "on" "off" } {
dprintf_detach_test $breakpoint_always_inserted $dprintf_style $disconnected_dprintf
}
}
}
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